78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
/*
|
|
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
package compiler.c2.irTests;
|
|
|
|
import jdk.test.lib.Asserts;
|
|
import compiler.lib.ir_framework.*;
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8297384
|
|
* @summary Test that Ideal transformations of AndINode* are being performed as expected.
|
|
* @library /test/lib /
|
|
* @run driver compiler.c2.irTests.AndINodeIdealizationTests
|
|
*/
|
|
public class AndINodeIdealizationTests {
|
|
|
|
public static void main(String[] args) {
|
|
TestFramework.run();
|
|
}
|
|
|
|
@Run(test = { "test1", "test2" })
|
|
public void runMethod() {
|
|
int a = RunInfo.getRandom().nextInt();
|
|
int b = RunInfo.getRandom().nextInt();
|
|
|
|
int min = Integer.MIN_VALUE;
|
|
int max = Integer.MAX_VALUE;
|
|
|
|
assertResult(0, 0);
|
|
assertResult(a, b);
|
|
assertResult(min, min);
|
|
assertResult(max, max);
|
|
}
|
|
|
|
@DontCompile
|
|
public void assertResult(int a, int b) {
|
|
Asserts.assertEQ((0 - a) & 1, test1(a));
|
|
Asserts.assertEQ((~a) & (~b), test2(a, b));
|
|
}
|
|
|
|
@Test
|
|
@IR(failOn = { IRNode.SUB })
|
|
@IR(counts = { IRNode.AND, "1" })
|
|
// Checks (0 - x) & 1 => x & 1
|
|
public int test1(int x) {
|
|
return (0 - x) & 1;
|
|
}
|
|
|
|
@Test
|
|
@IR(failOn = { IRNode.AND })
|
|
@IR(counts = { IRNode.OR, "1",
|
|
IRNode.XOR, "1" })
|
|
// Checks (~a) & (~b) => ~(a | b)
|
|
public int test2(int a, int b) {
|
|
return (~a) & (~b);
|
|
}
|
|
}
|